0
votes
2answers
52 views

Is it possible to mark or segregate bad blocks on HDD?

Hello I want to know if is it possible to mark bad blocks on HDD for OS to not use them. I don't want to save data written on this blocks, just want to get rid of them. I found some article where ...
0
votes
0answers
49 views

HDD Current_Pending_Sector attribute going up and down

I have Western Digital Caviar Black drive (model WD2002FAEX-007BA0). System is running Linux Mint 14. Filesystem on drive ext4. Recently I've got some i/o errors on one of the files. Then I've ...
1
vote
1answer
244 views

Bad sectors vs spare/reserve sectors and how the OS and disk interpret them

From what I understand, there are two fundamental ways sectors are marked bad: OS performs IO read/write instruction. The sector is replaced with a spare and marked bad. Disk's low-level ...
3
votes
2answers
887 views

badblocks vs. SMART Extended Self Test

How does a full read/write surface scan by 'badblocks' differ from the built in SMART Extended self test? It seems like they are both full surface scans, so why does it take badblocks -vws 3 days to ...
4
votes
2answers
204 views

If I have “badblocks” write its output to a file, and that file is empty, does that mean that no bad blocks were found?

I recently ran badblocks on a large server hard drive to check for possible issues (SMART reported that everything was fine, but I needed to be sure). The command I used was: badblocks -c 1024 -b ...
7
votes
2answers
1k views

Trying to remove/diagnose single Current_Pending_Sector in S.M.A.R.T. data

I'm in a process of doing a fresh Linux install and before I went to do that I thought that it is a good time to verify HDD health since I can safely overwrite any data on the HDD if needed. First ...
0
votes
3answers
438 views

How to quickly format a HDD with bad sectors (in linux)?

I have a SATA HDD, which has bad sectors. I do not need the data, and need to format the HDD to create a fresh device. I tried to repair the HDD problem with commands like fsck.ext4 -p /dev/sda1 ...
-1
votes
2answers
819 views

Tool to read all blocks from HDD and write it back

I need tool to read each sector(block) from HDD and write it back to same HDD. Disk is big and so it is not possible to use image creation tools (backup/restore). Purpose of it - to avoid/resolve ...
0
votes
5answers
717 views

Hard disk failure is imminent [duplicate]

I have a seagate 320 GB hdd on my linux machine. From a week, SMART utility has been warning me to backup as the disk failure is imminent. Report failed on the "Bad sectors attribute" which is ...
-1
votes
2answers
85 views

Debugging a badblock case, advice?

Everything started with Windows failures. It was impatiently kicking some BSOD out because of missing dlls (there is a question here, which I basically solved). I then discovered that the dlls were ...
5
votes
2answers
2k views

How to make smartd shut up about one particular offline uncorrectable sector?

I have a disk in a two-disk software RAID-1 for which recently an "offline uncorrectable sector" appeared in the SMART status. 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age ...
7
votes
3answers
1k views

Using `badblocks` on modern disks.

I want to use badblocks to check my HDDs and would appreciate clarification of its operation. Can someone please explain the best options to use with -b and -c? I have included their definitions ...
1
vote
0answers
49 views

what physical disk is referenced by Event 7, Disk error “The device, \Device\Harddisk2\DR2, has a bad block.” [duplicate]

Possible Duplicate: How do I determine which HD is involved in the Event Viewer? spec details: Running Windows 2008 R2 server. I have 5 physical disks in my system. 4 2TB disks are setup ...
2
votes
4answers
823 views

Are all bad blocks the same on a HDD?

I don't know much about the physics behind bad blocks on a HDD, but I've often seen that a "bad" block turns to good when you overwrite it with something (anything, zeroes will do). I've even written ...
0
votes
2answers
665 views

Should the Current Pending Sector value change during a format with bad block checking on?

I have a drive that has had a few file corruptions. It seems to be due to getting very hot at some point in the past, the max reported temperature is 99C ! I've recovered as much data from it as I can ...
2
votes
2answers
2k views

Single spots of slow harddisk performance, but no bad sectors?

I use a Samsung 1.5TB harddisk (EcoGreen F2) and recently tidied up quite a lot. So 500GB is written, the rest is free. Now when I am copying some huge files (gigabyte sized), the harddisk shows full ...
3
votes
2answers
6k views

Rescuing a hdd with bad sectors: dd vs gddrescue

Somewhere on the internets I read that gddrescue is superior to dd at least in terms of being able to distinguish between the amount of disk reads performed on a troubled sector. Is this really the ...
3
votes
1answer
2k views

Bad Block on Virtual Machine (Virtual or Physical Problem?)

I am dealing with a virtual machine that is receiving the following entry in the event log: TIME OF EVENT: 7/30/2011 3:47:05 PM EVENT LOG: System EVENT SOURCE: disk EVENT ID: 7 SEVERITY: Error ...
2
votes
1answer
474 views

Disaster After Removing Two HDD From LaCie RAID 0 Case

This is the second time this has happened. I own a LaCie IDE RAID 0 Enclosure and the RAID went bad. The system gave me a warning that the data could be read from the RAID but that nothing could be ...
4
votes
3answers
2k views

65537 bad sectors on my 320Gb usb drive. Is it really dead?

After 222 days of usage my external usb drive's S.M.A.R.T. system warned about having too many bad sectors on the disk (65537 reallocated sectors). I tested it with badblocks -svw and no bad block ...